Laptop won't boot or enter bios after deleting pertition in windows 7

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http://askubuntu.com – I dual boot my computer and laster decided to delete one of ubuntu partitions while using windows 7. After my computer hibernated and I tried restarting my ASUS laptop it stop at the logo and preventing me from emtering the bios. When I takeout my hardive it allow me to enter the bios. It those not boot from a cd if the hard drive is still attached to the computer. After taking the hard drive out then it boot from the cd. Can someone please help??? (HowTos)